Home / 8,616.23-12,921.61-3,350.89

Finding the Fourth Proportional to 8,616.23, 12,921.61 and 3,350.89

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Solution

The fourth proportional to 8,616.23, 12,921.61 and 3,350.89 is: 5,025.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.23 : 12,921.61 = 3,350.89 : x
  2. Step 2: Convert to fraction form
    8,616.23/12,921.61 = 3,350.89/x
  3. Step 3: Cross multiply
    8,616.23x = 12,921.61 × 3,350.89
  4. Step 4: Simplify right side
    8,616.23x = 43,298,893.73
  5. Step 5: Solve for x
    x = 43,298,893.73/8,616.23
  6. Step 6: Final answer
    x = 5,025.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.